cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A386871 Least k such that A056100(k) = n or -1 if no such k exists.

Table of values

n a(n)
1 6
2 124357252657
3 4
4 33
5 8
6 145
7 9
8 37063859
9 16
10 51
11 26
12 1441
13 15
14 2353
15 34
16 69
17 20
18 1011377103546119
19 27
20 7201
21 25
22 87
23 115
24 9911837
25 56
26 385
27 58
28 45
29 62
30 86125529
31 57
32 30721
33 35
34 123
35 74
36 295
37 90
38 15686608811
39 82
40 141
41 86
42 70561
43 49
44 77857739
45 94
46 159
47 329
48 34884199

List of values

[6, 124357252657, 4, 33, 8, 145, 9, 37063859, 16, 51, 26, 1441, 15, 2353, 34, 69, 20, 1011377103546119, 27, 7201, 25, 87, 115, 9911837, 56, 385, 58, 45, 62, 86125529, 57, 30721, 35, 123, 74, 295, 90, 15686608811, 82, 141, 86, 70561, 49, 77857739, 94, 159, 329, 34884199]